Skin Functions

Human Skin - Its Functions

human skin - functions

Your skin performs many important and varied functions, namely:

  • PROTECTION:
    • your skin protects you against foreign objects or substances entering your body.
    • collagen and elastin fibers provide skin with strength and resilience, making your skin a formidable barrier against outside attack and assault.
  • BACTERIAL BARRIER:
    • micro-organisms, present on the skin, help combat attacks from harmful bacterial and viruses.
  • FUNGAL GROWTH CONTROL:
    • your skin's acid mantel's pH helps control and regulate fungal growth (preventing uncontrolled growth).
  • TEMPERATURE REGULATION:
    • helps regulate body temperature, through the regulation of blood flow (in the dermis) and the production of sweat - to cool the body.
  • WATER LOSS REGULATION:
    • helps control the rate of water loss from the body - oil (sebaceous) glands produce sebum (an oily substance) which coats the skin, waterproofing it.
  • UV PROTECTION:
    • Melanocytes in the Epidermis produce melanin, which functions as a UV filter, protecting your skin against harmful UV radiation.
  • SENSATION - TOUCH:
    • numerous nerve ending in the dermis allow the body to sense hot, cold, pressure and pain. Providing the body with vital information about the outside environment.
  • SYNTHESIS OF VITAMIN D:
    • produced in the skin in response to sunlight. Vitamin D is important in the body's calcium metabolism.

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